20928468

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{479}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 53544960

約数和(自身を除く): 32616492

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 331, 479, 662, 958, 993, 1324, 1437, 1916, 1986, 2874, 3641, 3972, 5269, 5748, 7282, 10538, 10923, 14564, 15807, 21076, 21846, 31614, 43692, 63228, 158549, 317098, 475647, 634196, 951294, 1744039, 1902588, 3488078, 5232117, 6976156, 10464234, 20928468]

約数ペア:

[(1, 20928468), (2, 10464234), (3, 6976156), (4, 5232117), (6, 3488078), (11, 1902588), (12, 1744039), (22, 951294), (33, 634196), (44, 475647), (66, 317098), (132, 158549), (331, 63228), (479, 43692), (662, 31614), (958, 21846), (993, 21076), (1324, 15807), (1437, 14564), (1916, 10923), (1986, 10538), (2874, 7282), (3641, 5748), (3972, 5269)]